From 2011 to 2013, RAILONE was heavily involved in the planning of the project to expand the rail tracks in Dublin harbor. In particular Engineering advice was provided on various special tasks to ensure that all technical and design requirements were met throughout the project. The entire route was about 8 km long, with RAILONE placing particular emphasis on the quality and sustainability of the construction. The harbor railway was built according to the latest standards and in compliance with all relevant environmental regulations.